<template>
	<div>
		<!-- 面包屑 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片 -->
		<el-card class="box-card">
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
						<el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4"><el-button type="primary" @click="addDdialogVisible = true">添加用户</el-button></el-col>
			</el-row>
			<!-- 用户列表 -->
			<el-table :data="userList" style="width: 100%" border stripe>
				<el-table-column type="index" label="#"></el-table-column>
				<el-table-column prop="username" label="姓名" width="180"></el-table-column>
				<el-table-column prop="email" label="邮箱" width="180"></el-table-column>
				<el-table-column prop="mobile" label="电话"></el-table-column>
				<el-table-column prop="role_name" label="角色"></el-table-column>
				<el-table-column prop="" label="状态">
					<template v-slot="scope">
						<el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="180px">
					<template v-slot="scope">
						<!-- 修改 -->
						<el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
						<!-- 删除 -->
						<el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
						<!-- 分配 -->
						<el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
							<el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
						</el-tooltip>
					</template>
				</el-table-column>
			</el-table>
			<!-- 分页 -->
			<el-pagination
				@size-change="handleSizeChange"
				@current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum"
				:page-sizes="[1, 2, 5, 10]"
				:page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper"
				:total="total"
			></el-pagination>
		</el-card>
		<!-- 添加用户对话框 -->
		<el-dialog title="添加用户" :visible.sync="addDdialogVisible" width="50%" @close="addDialogClosed">
			<!-- 内容主体-->
			<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username"><el-input v-model="addForm.username"></el-input></el-form-item>
				<el-form-item label="密码" prop="password"><el-input v-model="addForm.password"></el-input></el-form-item>
				<el-form-item label="邮箱" prop="email"><el-input v-model="addForm.email"></el-input></el-form-item>
				<el-form-item label="手机" prop="mobile"><el-input v-model="addForm.mobile"></el-input></el-form-item>
			</el-form>
			<!-- 底部-->
			<span slot="footer" class="dialog-footer">
				<el-button @click="addDdialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="addUser">确 定</el-button>
			</span>
		</el-dialog>
		<!-- 修改用户对话框 -->
		<el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<!-- 用户名 -->
				<el-form-item label="用户名"><el-input v-model="editForm.username" disabled></el-input></el-form-item>
			</el-form>
			<!-- 邮箱-->
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="邮箱" prop="email"><el-input v-model="editForm.email"></el-input></el-form-item>
			</el-form>
			<!-- 手机号-->
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="手机号" prop="mobile"><el-input v-model="editForm.mobile"></el-input></el-form-item>
			</el-form>
			<!-- 按钮-->
			<span slot="footer" class="dialog-footer">
				<el-button @click="editDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="edidUserInfo">确 定</el-button>
			</span>
		</el-dialog>
		<!-- 分配角色对话框 -->
		<el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
			<!-- 下拉菜单 -->
			<div>
				<p>当前用户: {{ userinfo.username }}</p>
				<p>当前角色: {{ userinfo.role_name }}</p>
				<p>
					分配新角色:
					<el-select v-model="selectedRoleId" placeholder="请选择">
						<el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id"></el-option>
					</el-select>
				</p>
			</div>
			<span slot="footer" class="dialog-footer">
				<el-button @click="setRoleDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="saveRoleInfo">确 定</el-button>
			</span>
		</el-dialog>
	</div>
</template>

<script>
export default {
	data() {
		let checkEmail = (rule, value, cb) => {
			const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
			if (regEmail.test(value)) {
				return cb();
			}
			cb(new Error('请输入正确的邮箱地址'));
		};
		let checkMobile = (rule, value, cb) => {
			const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
			if (regMobile.test(value)) {
				return cb();
			}
			cb(new Error('请输入正确的手机号'));
		};

		return {
			queryInfo: {
				query: '',
				pagenum: 1,
				pagesize: 2
			},
			userList: [],
			total: 0,
			addDdialogVisible: false,
			addForm: { username: '', password: '', email: '', mobile: '' },
			addFormRules: {
				username: [{ required: true, message: '请输入用户名', trigger: 'blur' }, { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' }],
				password: [{ required: true, message: '请输入密码', trigger: 'blur' }],

				email: [{ required: true, message: '请输入邮箱', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }],

				mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }]
			},
			// 修改
			editDialogVisible: false,
			//查询用户信息对象
			editForm: {},
			editFormRules: {
				email: [{ required: true, message: '请输入用户邮箱', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }],
				mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }]
			},
			setRoleDialogVisible: false,
			//需要被分配橘色的对话框
			userinfo: {},
			//所有角色数据列表
			rolesList: [],
			//已选中的角色id值
			selectedRoleId: ''
		};
	},
	created() {
		this.getUserList();
	},
	methods: {
		async getUserList() {
			const { data: res } = await this.$http.get('users', { params: this.queryInfo });
			if (res.meta.status !== 200) {
				return this.$message.error('获取用户列表失败');
			}
			this.userList = res.data.users;
			this.total = res.data.total;
		},
		//改变页面
		handleSizeChange(newSize) {
			this.queryInfo.pagesize = newSize;
			this.getUserList();
		},
		//页码值
		handleCurrentChange(newpage) {
			this.queryInfo.pagenum = newpage;
			this.getUserList();
		},
		async userStateChanged(userinfo) {
			const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`);
			if (res.meta.status !== 200) {
				userinfo.mg_state = !userinfo.mg_state;
				return this.$message.error('更新用户状态！');
			}
			this.$message.success('更新成功！');
		},
		//监听对话框的关闭事件
		addDialogClosed() {
			this.$refs.addFormRef.resetFields();
		},
		//点击确认按钮 添加新用户
		addUser() {
			this.$refs.addFormRef.validate(async v => {
				if (!v) return;

				const { data: res } = await this.$http.post('users', this.addForm);
				if (res.meta.status !== 201) {
					return this.$message.error('获取用户列表失败');
				}
				this.$message.success('添加用户成功！');
				this.addDdialogVisible = false;
				this.getUserList();
			});
		},

		//edit
		async showEditDialog(id) {
			const { data: res } = await this.$http.get('users/' + id);
			if (res.meta.status !== 200) {
				return this.$message.error('查询用户失败');
			}
			this.editForm = res.data;
			this.editDialogVisible = true;
		},
		//监听关闭用户对话框
		editDialogClosed() {
			this.$refs.editFormRef.resetFields();
		},
		edidUserInfo() {
			this.$refs.editFormRef.validate(async v => {
				if (!v) return;
				const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile });
				if (res.meta.status !== 200) {
					return this.$message.error('更新用户失败');
				}
				this.$message.success('更新用户成功！');
				this.editDialogVisible = false;
				this.getUserList();
			});
		},
		//根据id删除对应的id
		async removeUserById(id) {
			const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			}).catch(err => err);
			if (confirmResult !== 'confirm') {
				return this.$message.info('已取消删除');
			}
			const { data: res } = await this.$http.delete('users/' + id);
			if (res.meta.status !== 200) {
				return this.$message.error('删除用户失败');
			}
			this.$message.success('删除用户成功！');
			this.getUserList();
		},
		async setRole(userInfo) {
			this.userinfo = userInfo;
			//在展示对话框之前获取该角色的所有列表
			const { data: res } = await this.$http.get('roles');
			if (res.meta.status !== 200) return this.$message.error('获取角色列表失败');
			this.rolesList = res.data;
			this.setRoleDialogVisible = true;
		},
		async saveRoleInfo() {
			if (!this.selectedRoleId) {
				return this.$message.error('请选择要分配的角色');
			}
			const { data: res } = await this.$http.put(`users/${this.userinfo.id}/role`, { rid: this.selectedRoleId });
			if (res.meta.status !== 200) {
				return this.$message.error('获取角色列表失败');
			}
			this.$message.success('更新角色成功！');
			this.getUserList();
			this.setRoleDialogVisible = false;
		},
		setRoleDialogClosed() {
			this.selectedRoleId = '';
			this.userinfo = {};
		}
	}
};
</script>

<style lang="less" scoped></style>
